memory_.h File Reference

#include <errno.h>

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Typedefs
typedef struct _MemoryInfo	MemoryInfo
typedef void *(*	AcquireMemoryHandler) (size_t) magick_alloc_size(1)
typedef void *(*)(*	DestroyMemoryHandler) (void *)
typedef void *(*)(*) *(*	ResizeMemoryHandler) (void *, size_t) magick_alloc_size(2)
typedef void *(*)(*) *(*) *(*	AcquireAlignedMemoryHandler) (const size_t, const size_t)
typedef void *(*)(*) *(*) *(*)(*	RelinquishAlignedMemoryHandler) (void *)

Functions
MagickExport MemoryInfo *	AcquireVirtualMemory (const size_t, const size_t) magick_alloc_sizes(1
MagickExport MemoryInfo *	RelinquishVirtualMemory (MemoryInfo *)
MagickExport size_t	GetMaxMemoryRequest (void)
MagickExport void *	AcquireAlignedMemory (const size_t, const size_t) magick_attribute((__malloc__)) magick_alloc_sizes(1
MagickExport void *	AcquireMagickMemory (const size_t) magick_attribute((__malloc__)) magick_alloc_size(1)
MagickExport void *	AcquireCriticalMemory (const size_t)
MagickExport void *	AcquireQuantumMemory (const size_t, const size_t) magick_attribute((__malloc__)) magick_alloc_sizes(1
MagickExport void *	CopyMagickMemory (void *magick_restrict, const void *magick_restrict, const size_t) magick_attribute((__nonnull__))
MagickExport void	DestroyMagickMemory (void)
MagickExport void	GetMagickMemoryMethods (AcquireMemoryHandler *, ResizeMemoryHandler *, DestroyMemoryHandler *)
MagickExport void *	GetVirtualMemoryBlob (const MemoryInfo *)
MagickExport void *	RelinquishAlignedMemory (void *)
MagickExport void *	RelinquishMagickMemory (void *)
MagickExport void *	ResetMagickMemory (void *, int, const size_t)
MagickExport void *	ResizeMagickMemory (void *, const size_t) magick_attribute((__malloc__)) magick_alloc_size(2)
MagickExport void *	ResizeQuantumMemory (void *, const size_t, const size_t) magick_attribute((__malloc__)) magick_alloc_sizes(2
MagickExport void	SetMagickAlignedMemoryMethods (AcquireAlignedMemoryHandler, RelinquishAlignedMemoryHandler)
MagickExport void	SetMagickMemoryMethods (AcquireMemoryHandler, ResizeMemoryHandler, DestroyMemoryHandler)
static MagickBooleanType	HeapOverflowSanityCheck (const size_t count, const size_t quantum)
static MagickBooleanType	HeapOverflowSanityCheckGetSize (const size_t count, const size_t quantum, size_t *const extent)

Typedef Documentation

AcquireAlignedMemoryHandler

typedef void *(*)(*) *(*) *(* AcquireAlignedMemoryHandler) (const size_t, const size_t)

Definition at line 30 of file memory_.h.

AcquireMemoryHandler

typedef void *(* AcquireMemoryHandler) (size_t) magick_alloc_size(1)

Definition at line 30 of file memory_.h.

DestroyMemoryHandler

typedef void *(*)(* DestroyMemoryHandler) (void *)

Definition at line 30 of file memory_.h.

MemoryInfo

typedef struct _MemoryInfo MemoryInfo

Definition at line 28 of file memory_.h.

RelinquishAlignedMemoryHandler

typedef void *(*)(*) *(*) *(*)(* RelinquishAlignedMemoryHandler) (void *)

Definition at line 30 of file memory_.h.

ResizeMemoryHandler

typedef void *(*)(*) *(* ResizeMemoryHandler) (void *, size_t) magick_alloc_size(2)

Definition at line 30 of file memory_.h.

Function Documentation

AcquireAlignedMemory()

MagickExport void * AcquireAlignedMemory	(	const	size_t,
		const	size_t
	)

AcquireCriticalMemory()

MagickExport void * AcquireCriticalMemory

(

const

size_t

)

AcquireMagickMemory()

MagickExport void * AcquireMagickMemory

(

const

size_t

)

AcquireQuantumMemory()

MagickExport void * AcquireQuantumMemory	(	const	size_t,
		const	size_t
	)

AcquireVirtualMemory()

MagickExport MemoryInfo * AcquireVirtualMemory	(	const	size_t,
		const	size_t
	)

CopyMagickMemory()

MagickExport void * CopyMagickMemory	(	void *	magick_restrict,
		const void *	magick_restrict,
		const	size_t
	)

DestroyMagickMemory()

MagickExport void DestroyMagickMemory

(

void

)

GetMagickMemoryMethods()

MagickExport void GetMagickMemoryMethods	(	AcquireMemoryHandler *	,
		ResizeMemoryHandler *	,
		DestroyMemoryHandler *
	)

GetMaxMemoryRequest()

MagickExport size_t GetMaxMemoryRequest

(

void

)

Definition at line 1044 of file memory.c.

References DestroyString(), GetPolicyValue(), MAGICK_SSIZE_MAX, MagickMax, MagickMin, max_memory_request, MinMemoryRequest, and StringToSizeType().

Referenced by AcquireQuantumMemory(), AcquireVirtualMemory(), and ResizeQuantumMemory().

GetVirtualMemoryBlob()

MagickExport void * GetVirtualMemoryBlob

(

const MemoryInfo *

)

HeapOverflowSanityCheck()

static MagickBooleanType HeapOverflowSanityCheck ( const size_t  count, const size_t  quantum  )

inlinestatic

Definition at line 70 of file memory_.h.

References MagickFalse, and MagickTrue.

HeapOverflowSanityCheckGetSize()

static MagickBooleanType HeapOverflowSanityCheckGetSize ( const size_t  count, const size_t  quantum, size_t *const  extent  )

inlinestatic

Definition at line 83 of file memory_.h.

References _MemoryInfo::length, MagickFalse, and MagickTrue.

Referenced by AcquireAlignedMemory(), AcquireQuantumMemory(), AcquireVirtualMemory(), and ResizeQuantumMemory().

RelinquishAlignedMemory()

MagickExport void * RelinquishAlignedMemory

(

void *

)

RelinquishMagickMemory()

MagickExport void * RelinquishMagickMemory

(

void *

)

RelinquishVirtualMemory()

MagickExport MemoryInfo * RelinquishVirtualMemory

(

MemoryInfo *

memory_info

)

Definition at line 1229 of file memory.c.

References AlignedVirtualMemory, _MemoryInfo::blob, _MemoryInfo::filename, _MemoryInfo::length, MagickCoreSignature, MapVirtualMemory, RelinquishAlignedMemory(), RelinquishMagickMemory(), RelinquishUniqueFileResource(), _MemoryInfo::signature, _MemoryInfo::type, UnalignedVirtualMemory, and UnmapBlob().

Referenced by AcquireVirtualMemory(), CLAHE(), CLAHEImage(), DespeckleImage(), DestroyCubeInfo(), DestroyQuantumPixels(), FloodfillPaintImage(), GetImageConvexHull(), GetImageStatistics(), LocalContrastImage(), and WaveletDenoiseImage().

ResetMagickMemory()

MagickExport void * ResetMagickMemory	(	void *	,
		int	,
		const	size_t
	)

ResizeMagickMemory()

MagickExport void * ResizeMagickMemory	(	void *	,
		const	size_t
	)

ResizeQuantumMemory()

MagickExport void * ResizeQuantumMemory	(	void *	,
		const	size_t,
		const	size_t
	)

SetMagickAlignedMemoryMethods()

MagickExport void SetMagickAlignedMemoryMethods	(	AcquireAlignedMemoryHandler	,
		RelinquishAlignedMemoryHandler
	)

SetMagickMemoryMethods()

MagickExport void SetMagickMemoryMethods	(	AcquireMemoryHandler	acquire_memory_handler,
		ResizeMemoryHandler	resize_memory_handler,
		DestroyMemoryHandler	destroy_memory_handler
	)

Definition at line 1539 of file memory.c.

References _MagickMemoryMethods::acquire_memory_handler, _MagickMemoryMethods::destroy_memory_handler, memory_methods, and _MagickMemoryMethods::resize_memory_handler.